#include <iostream>
using namespace std;
class Solution {
public:
	int hammingWeight(uint32_t n) {
		int sum = 0;
		for(int i=0;i<=32;++i)
		{
			sum += n & 1;
			n >>= 1;
		}
		return sum;
	}	
};
int main()
{
	

}